		
		.center{
			width: 1500px;
			height: 678px;
			margin: 0 auto;
			padding-left: 200px;
		}
		.center div{
			float: left;
		}
		.cen-left{
			width: 405px;
		}
		.cen-left-img{
			width: 405px;
		}
		.cen-left-div{
			background-color: rgba(0,0,0,0.5);
			width: 405px;
			height: 60px;
			position: relative;
			bottom: 107px;
			text-align: center;
			line-height: 60px;
			color: white;
		}
		.cen-right{
			width: 900px;
		}
		.cen-right-top{
			float: left;
			width: 789px;
			height: 37px;
			padding-left: 15px;
			padding-top: 10px;
			margin-left: 20px;
			background-color: rgb(245,169,23);
			position: relative;
		}
		.cen-right-div{
			background-color: white;
			width: 266px;
			height: 280px;
			border: 1px solid black;
			font-size: 18px;
			text-align: center;
			font-family: "宋体";
			font-weight: bold;
		}
		.cen-right-div img{
			margin: 30px;
			opacity: 1;
			transition: opacity 0.3s;
		}
		.cen-right-div img:hover{
			opacity: 0.85;
		}
		.m{
			margin-left: 20px;
		}
		.bottomimg{
			width: 100%;
		}